Cover Baby Premium Wool Footmuff – the ultimate winter stroller sleeping bag. Lined with 100% natural sheep wool, it keeps your baby warm in temps as low as -30 (-22 ). Designed to grow with your child, it features two length settings, universal 3- and 5-point harness openings, and a waterproof foot section for use with shoes. The included extension doubles as a stylish diaper / parent mommy bag-attach it to your stroller or wear it over the shoulder. Soft, hypoallergenic, and self-cleaning wool offers superior warmth and breathability for all seasons. Includes a detachable faux fur trim, zip-off front, anti-slip back panel, and adjustable hood. Fits most strollers, car seats, and sleds. From newborn to toddler (up to 3 years), this is your must-have for cold weather outings.